KY-021 Mini Reed Switch Module - (AD85371)

Description:

The reed switch is a type of passive electronic switching component with contacts that has a simple structure, small size, and is easy to control. It consists of a sealed glass envelope containing two ferrous elastic reeds and filled with an inert gas called rhodium.

Features:

- Normally Open (N.O.) Switch

- The comparator output is a clean signal, good waveform, and driving capability of more than 15mA.

- Working voltage: 3.3V - 5V

- Output format: digital switching output (0 and 1)

- With mounting holes for easy installation

- Small PCB size: 16mm x 14mm